Sciweavers

5901 search results - page 425 / 1181
» Virtual Learning Environments
Sort
View
ICC
2007
IEEE
15 years 11 months ago
Frequency Offset Tracking for OFDM Systems via Scattered Pilots and Virtual Carriers
— In this paper, we propose a new carrier frequency offset (CFO) tracking algorithm for orthogonal frequency division multiplexing (OFDM) systems. Assuming that the channel remai...
Tao Cui, Feifei Gao, Arumugam Nallanathan
IPPS
2007
IEEE
15 years 11 months ago
Machine Bank: Own Your Virtual Personal Computer
In this paper, we report the design, implementation and experimental results of Machine Bank, a system engineered towards the popular shared-lab scenario, where users outnumber av...
Shuo Tang, Yu Chen, Zheng Zhang
IROS
2007
IEEE
141views Robotics» more  IROS 2007»
15 years 11 months ago
LIVS: Local Interaction via Virtual Stigmergy coordination in distributed search and collective cleanup
Abstract— Distributed coordination is critical for a multirobot system in hazardous waste cleanup under a dynamic environment. To achieve higher efficiency as well as robustness,...
Yan Meng, Jing Gan
ATAL
2007
Springer
15 years 11 months ago
Coordination and Sociability for Intelligent Virtual Agents
This paper presents a multi-agent framework designed to simulate synthetic humans that properly balance task oriented and social behaviors. The work presented in this paper focuses...
Francisco Grimaldo, Miguel Lozano, Fernando Barber
CW
2006
IEEE
15 years 11 months ago
Standardized Virtual Reality, Are We There Yet?
Despite its history of several decades and impressive achievements, developing a VR application is still a complex task. Setting-up a Virtual Environment requires choosing a suita...
Mario A. Gutierrez A., Frédéric Vexo...